urn:lsid:ubio.org:classificationbank:2304272 Pternistis leucoscepus holtermülleri Erl. Sclater, Systema Avium Ethiopicarium 1930 (Pternistes only) Sub-species Pternistis leucoscepus holtermülleri Erlanger, 1904, Orn. Monatsb. xii, p. 98